Optical device and method of controlling direction of light from optical device
US10012824B2 · kind B2 · utility
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1References
18Claims
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Assignee
Inventors
Key dates
| Filing date | Jan 13, 2015 |
| Grant date | Jul 3, 2018 |
| Priority date | — |
| Expiry date | Jan 13, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided are an optical device and a method of controlling the direction of light from an optical device. The optical device includes: a substrate; a metal layer on the substrate; a first slot which is provided in the metal layer; and at least one light source provided in the first slot, wherein light is emitted from the at least one light source in the direction of the top part of the first slot or the bottom part of the first slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.